Gate hinge



FIG. 1 is a perspective view of a gate hinge, the broken lines being shown for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is an end view thereof;

FIG. 3 is an opposite end view thereof;

FIG. 4 is a top view thereof, the bottom being a mirror image;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a gate hinge, as shown and described. 